June 12, 2022

Boyan Slat, the creator of The Ocean Cleanup project, stands on the shore of the Las Vacas river in Chinautla, on the outskirts of Guatemala City, Wednesday, June 8, 2022. The Ocean Cleanup NGO is currently piloting a trash collection device in one of the world's most polluted rivers, the Las Vacas river, where unique seasonal challenges include huge quantities of waste and massive water pressure during the rainy season. (AP Photo/Moises Castillo)